What starts out as forgetfulness or confusion often progresses to a state where the person can no longer make sound personal decisions and suffers from cognitive impairment. At this point, for your loved one's wellbeing, you are faced with a decision on having her declared mentally incompetent. Laws regarding who might petition the court for this declaration and related guardianship regulations vary according to state.
Medical Definition of PREFRONTAL CORTEX. : the gray matter of the anterior part of the frontal lobe that is highly developed in humans and plays a role in the regulation of complex cognitive, emotional, and behavioral functioning.ADVERTISEMENT.noun. the gray matter of the anterior part of the frontal lobe that is highly developed in humans and plays a role in the regulation of complex cognitive, emotional, and behavioral functioning.
The prefrontal cortex is in the superior, middle, and inferior frontal gyri anterior to the motor areas, frontal eye field, and the Broca area, as well as on the medial and inferior surface of the frontal lobe.